#guide {
  .tabs {
    width: 100%;
  }
  [role=tablist] {
    margin: 0 0 -0.1em;
    overflow: visible;
  }
  [role=tab] {
    position: relative;
    padding: 0.3em 0.5em 0.4em;
    border: 1px solid hsl(219, 1%, 72%);
    border-radius: 0.2em 0.2em 0 0;
    overflow: visible;
    font-family: inherit;
    font-size: inherit;
    background: hsl(220, 20%, 94%);
  }
  [role=tab]:hover::before,
  [role=tab]:focus::before,
  [role=tab][aria-selected="true"]::before {
    position: absolute;
    bottom: 100%;
    right: -1px;
    left: -1px;
    border-radius: 0.2em 0.2em 0 0;
    border-top: 3px solid hsl(219, 1%, 72%);
    content: '';
  }
  [role=tab][aria-selected="true"] {
    border-radius: 0;
    background: hsl(220, 43%, 99%);
    outline: 0;
  }
  [role=tab][aria-selected="true"]:not(:focus):not(:hover)::before {
    border-top: 5px solid hsl(218, 96%, 48%);
  }
  [role=tab][aria-selected="true"]::after {
    position: absolute;
    z-index: 3;
    bottom: -1px;
    right: 0;
    left: 0;
    height: 0.3em;
    background: hsl(220, 43%, 99%);
    box-shadow: none;
    content: '';
  }
  [role="tab"]:hover,
  [role="tab"]:focus,
  [role="tab"]:active {
    outline: 0;
    border-radius: 0;
    color: inherit;
  }
  [role="tab"]:hover::before,
  [role="tab"]:focus::before {
    border-color: hsl(218, 96%, 48%);
  }
  [role="tabpanel"] {
    position: relative;
    z-index: 2;
    padding: 1em;
    border: 1px solid hsl(219, 1%, 72%);
    border-radius: 0 0.2em 0.2em 0.2em;
    box-shadow: 0 0 0.2em hsl(219, 1%, 72%);
    background: hsl(220, 43%, 99%);
    margin-bottom: 1em;
  }
  [role="tabpanel"] p {
    margin: 0;
  }
  [role="tabpanel"] * + p {
    margin-top: 1em;
  }
}